Home / 20,348,639.10-30,522,958.65-5,201,768.70

Finding the Fourth Proportional to 20,348,639.10, 30,522,958.65 and 5,201,768.70

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Solution

The fourth proportional to 20,348,639.10, 30,522,958.65 and 5,201,768.70 is: 7,802,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,639.10 : 30,522,958.65 = 5,201,768.70 : x
  2. Step 2: Convert to fraction form
    20,348,639.10/30,522,958.65 = 5,201,768.70/x
  3. Step 3: Cross multiply
    20,348,639.10x = 30,522,958.65 × 5,201,768.70
  4. Step 4: Simplify right side
    20,348,639.10x = 158,773,370,936,964.25
  5. Step 5: Solve for x
    x = 158,773,370,936,964.25/20,348,639.10
  6. Step 6: Final answer
    x = 7,802,653.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.